{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.revision/1","content_sha256":"2ed8758309be4731eaa79f97f9e4e5dff481b0c57fbeace3a15a0ef3a616683f","created":"2026-10-03T07:17:55Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":["4a7be8424f806d8f791ffbb84777be709933ad6baeac740e8cd5e6a82d6a15d0","5475cf5dc5b1a72283d26dc95dc6e00d7ea4e00096a7c6492e409a1816eeb011"],"salt":"3e88063021eea0b8a2aa226766a54a8ff1345089544f4056aae4876a7545b3cb","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"revision"},"content":{"answer_type":"classification","assisted_by":[],"external_id":"astro.galactic-gamma-ray-anomalies.gev-excess-morphology","kind":"well-posed","literature_status":"contested","n":"1","parents":[{"note":"","parent_revision":"4a7be8424f806d8f791ffbb84777be709933ad6baeac740e8cd5e6a82d6a15d0","relation":"special_case"}],"plain":"Pulsars would follow the elongated, box-shaped bulge of stars, while dark matter would make a round glow.","posed_since":"","precise":"With interstellar-emission model uncertainty marginalized (families of cosmic-ray propagation models, template or nonparametric fits), determine whether the spatial distribution of the excess is better fit by a boxy or X-shaped stellar-bulge template or by a spherically symmetric squared generalized-NFW profile with inner slope $\\gamma \\sim 1.2$. Answer: a likelihood ratio or Bayes factor with systematic uncertainty that is stable across foreground models.","problem_ref":null,"references":"","settled_by":"A morphology preference that holds across all foreground models consistent with the rest of the gamma-ray sky.","status_note":"","title":"Does the GeV excess follow the stellar bulge or a spherical halo?","topic_ref":"2f78327303a97433a098b26582bcf23a29959fff36be6fdf51ec3c67a48452b7"},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"6e841b117647928e991a839dd4fe23b6768c3190fc5204eaa3cd18602540cff7","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"f24db48d8c04f68b16aa36d5986713a46ee2843e44d5af5da628319d07326933","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"yk0yyEMDScUHXPsuJkasCT545QTSJ9BY81enlE3DdSB_53bQ_dYXWNychmiSN5wMLOQ9goTBUQCMuU5_wsXVCA"},"schema":"pubphys.envelope/1"},"record_hash":"6e841b117647928e991a839dd4fe23b6768c3190fc5204eaa3cd18602540cff7","leaf_index":536}